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DG408CY
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Product Detailed Parameters
- Description：IC MUX 8:1 100OHM 16SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：100Ohm
- Channel-to-Channel Matching (ΔRon)：1.5Ohm
- Voltage - Supply, Single (V+)：5V ~ 30V
- Voltage - Supply, Dual (V±)：±5V ~ 20V
- Switch Time (Ton, Toff) (Max)：150ns, 150ns
- -3db Bandwidth：-
- Charge Injection：2pC
- Channel Capacitance (CS(off), CD(off))：3pF, 26pF
- Current - Leakage (IS(off)) (Max)：500pA
- Crosstalk：-92dB @ 100kHz
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Number of Circuits：1
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Overview
The DG408CY is a CMOS analog multiplexer configured as a 1-of-8 channel switch. It operates within a single supply voltage range of +5V to +30V or dual supplies of ±5V to ±20V. The device features a maximum on-resistance of 175Ω and an on-resistance matching between channels of 1.5Ω. Key dynamic parameters include a maximum charge injection of 2pC, an enable turn-on time of 600ns, and an enable turn-off time of 300ns. The component is housed in a 16-pin Narrow SO package and supports an operating temperature range from 0°C to +70°C.
Feature Summary
- Pin-compatible plug-in upgrade for industry standard DG408/DG409 devices
- Guaranteed low charge injection performance
- Rail-to-rail signal handling capability
- Digital input controls compatible with TTL/CMOS logic levels
Applications
- Sample-and-Hold Circuits
- Test Equipment
- Guidance and Control Systems
- Communications Systems
- Data-Acquisition Systems
Procurement Notes
Verify the specific suffix CY against official documentation to confirm the narrow SOIC package type and commercial temperature grade. Ensure compatibility with existing PCB land patterns designed for 16-pin surface mount configurations. Confirm that the intended application environment remains within the specified 0°C to +70°C operational limits to maintain guaranteed electrical characteristics.
Selection Notes
Select this component when a direct replacement for legacy DG408 designs is required without altering board layout. Consider the 175Ω maximum on-resistance for applications where signal attenuation must be evaluated. Verify that the 2pC charge injection specification meets the precision requirements of the target analog signal path compared to lower-injection alternatives.
Part Context
This part belongs to the DG408/DG409 family of improved CMOS analog multiplexers manufactured by Analog Devices / Maxim Integrated. The DG408 variant specifically provides an 8:1 multiplexing configuration, whereas the DG409 offers a dual 4-channel setup. Both share similar architectural improvements over previous generations, focusing on enhanced channel matching and reduced leakage currents.
Replacement Considerations
DG408DJ+ (Plastic DIP, -40°C to +85°C)
FAQ
What is the maximum on-resistance flatness for the DG408CY?
The maximum on-resistance flatness is guaranteed at 9Ω over the specified signal range.
How does the DG408CY handle electrostatic discharge?
ESD protection is guaranteed to be greater than 2000V per Method 3015.7 of MIL-STD-883.
Is the DG408CY suitable for single-supply operation?
Yes, it operates with a single supply voltage ranging from +5V to +30V.
